Prehydrolysis of birch wood with sulfur dioxide

Edward L. Springer; Kimball A. Libkie

Treesearch

Prehydrolysis of birch wood with sulfur dioxide

Informally Refereed

Authors:

Edward L. Springer, Kimball A. Libkie

Year:

1980

Type:

Miscellaneous Publication

Station:

Forest Products Laboratory

Source:

Tappi. Vol. 63, no. 7 (July 1980): pages 119-120.

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Abstract

Work in progress on prehydrolysis of white birch (Betula papyrifera) wood with sulfur dioxide presents an alternative means for producing a relatively concentrated pentose solution with a very small requirement for steam or other forms of energy. The key ideas are to conduct the prehydrolysis reaction at a very low liquor-to-wood ratio (called vapor-phase cooking in the pulp industry) and to obtain a relatively concentrated solution by countercurrently extracting the xylose, xylose oligomers, and other solubilized material from the reacted chips.

Keywords

Xylose, xylan, hemicelluloses, furfural, biomass, ethanol, cellulose, glucose, xylitol, yeasts, sulfur dioxide, energy, extraction, hydrolysis, white birch, vapor phase cooking, oligomers, reacted chips

Citation

Springer, Edward L.; Libkie, Kimball A. 1980. Prehydrolysis of birch wood with sulfur dioxide. Tappi. Vol. 63, no. 7 (July 1980): pages 119-120.